Unity 2D video game development tutorial. Ninja Cat Flyer, derived from Kirill Muzykov’s Rocket Mouse Tutorial: http://www.raywenderlich.com/69392/make-game-like-jetpack-joyride-unity-2d-part-1

1. Derived from Kirill Muzykov’s Rocket Mouse Tutorial
http://www.raywenderlich.com/69392/make-game-like-jetpack-joyride-unity-2d-part-1
@shahedC
WakeUpAndCode.com

4. Add new instance variable

6. This 1 line calls
DisplayGemsCount()

9. Drag gem
into Gem Icon
Texture

10. Run
See your score on the top left!

13. You can add it to the bottom of the class,
just before the class ends

14. Add a call to
DisplayRestartButton()

15. Run
What happens when the cat touches a laser?

16. You can now restart the game, with the new button!

18. a) Go to www.bfxr.net
b) Add a laser sound.
c) Click “Play” on the right
to hear it.
d) Click Export Wav to
download the file.
b
a
c
d

19. Click Save

20. Verify

21. In Prefabs folder, select “laser” prefab

22. For the laser object, click
Add Component  “Audio”
Click “Audio” Click “Audio Source”

23. For the laser object in Prefabs…
… verify “Audio Source”

24. With laser prefab selected…

25. … click Prefabs folder, then drag your Laser sound into
Audio Clip
under
Audio Source
Also, uncheck “Play on Awake” checkbox

27. Add if statement
to play laser sound

28. Run
You should hear the laser sound on collision with the laser!

30. Repeat steps a-b-c-d for
• Pickup/Coin
• Explosion
• Hit/Hurt
a) Go to www.bfxr.net
b) Add a sound.
c) Click “Play” on the right to
hear it.
d) Click Export Wav to
download the file.
b
a
c
d

31. Click Save
New Sounds
• Pickup/Coin
• Explosion
• Hit/Hurt

33. Click “Apply” for each
Uncheck 3D Sound
for each sound clip

34. 1. Select “Cat” in Hierarchy
2. Click “Add Component”

35. Click
“Audio”
Click
“Audio
Source”

36. Verify 2
Audio Sources
for Cat!

37. Drag
“Explosion”
and
“Hit_Hurt”
into each
empty
Audio Clip

38. For both
Audio Sources,
enable:
• Play on Awake
• Loop

40. Add 2 new
instance variables

42. Add this 1 line at the end of FixedUpdate()

43. Drag “Explosion”
Audio Source
into JetPack Audio
under Cat’s
Script Component

44. Drag “Hit_Hurt”
Audio Source
into Footsteps Audio
under Cat’s
Script Component

46. Add 1 new
instance variable

47. Add 1 new line
to play sound

48. Drag
Pickup_Coin
audio file
into
“Gem Collec
Sound”
under
Cat’s script

49. Run
Do you hear the sounds?

51. For the Main
Camera…
Click “Audio Source”… click Add Component  “Audio”

52. Verify Audio Source in Inspector

53. Drag music audio to Camera’s audio clip
Enable
• Play on awake
• Loop

55. Click File  Build Settings…

56. Choose one of many platforms!